Thanks
its the frame rate on the 10-ch that's the issue.
Below comments from Airtronics.
Hello,
The FHSS-3 receivers use a higher frame rate and some items may not be able to handle it. If the channel works fine with a servo, your electric start system probably can't handle the higher frame rate.
-Farrell
Airtronics Service
18480 Bandilier Cir
Fountain Valley CA 92708
714-964-0827 ext 327